using System;
using iTextSharp.text;
using iTextSharp.text.pdf;
/*
 * $Id: CellSpacingEvent.java 122 2011-05-27 12:20:58Z redlab_b $
 *
 * This file is part of the iText (R) project.
 * Copyright (c) 1998-2014 iText Group NV
 * Authors: Balder Van Camp, Emiel Ackermann, et al.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License version 3
 * as published by the Free Software Foundation with the addition of the
 * following permission added to Section 15 as permitted in Section 7(a):
 * FOR ANY PART OF THE COVERED WORK IN WHICH THE COPYRIGHT IS OWNED BY
 * ITEXT GROUP. ITEXT GROUP DISCLAIMS THE WARRANTY OF NON INFRINGEMENT
 * OF THIRD PARTY RIGHTS
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 * or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU Affero General Public License for more details.
 * You should have received a copy of the GNU Affero General Public License
 * along with this program; if not, see http://www.gnu.org/licenses or write to
 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA, 02110-1301 USA, or download the license from the following URL:
 * http://itextpdf.com/terms-of-use/
 *
 * The interactive user interfaces in modified source and object code versions
 * of this program must display Appropriate Legal Notices, as required under
 * Section 5 of the GNU Affero General Public License.
 *
 * In accordance with Section 7(b) of the GNU Affero General Public License,
 * a covered work must retain the producer line in every PDF that is created
 * or manipulated using iText.
 *
 * You can be released from the requirements of the license by purchasing
 * a commercial license. Buying such a license is mandatory as soon as you
 * develop commercial activities involving the iText software without
 * disclosing the source code of your own applications.
 * These activities include: offering paid services to customers as an ASP,
 * serving PDFs on the fly in a web application, shipping iText with a closed
 * source product.
 *
 * For more information, please contact iText Software Corp. at this
 * address: sales@itextpdf.com
 */
namespace iTextSharp.tool.xml.html.table {

    /**
     * @author Emiel Ackermann
     *
     */
    public class CellSpacingEvent : IPdfPCellEvent {
        private TableStyleValues styleValues;

        /**
         * Construct a new CellSpacingEvent with the given TableStyleValues
         * @param styleValues the TableStyleValues
         */
        public CellSpacingEvent(TableStyleValues styleValues) {
            this.styleValues = styleValues;
        }

        /**
         * @see com.itextpdf.text.pdf.PdfPCellEvent#cellLayout(com.itextpdf.text.pdf.PdfPCell,
         *      com.itextpdf.text.Rectangle, com.itextpdf.text.pdf.PdfContentByte[])
         */
        virtual public void CellLayout(PdfPCell cell, Rectangle position,
                PdfContentByte[] canvases) {
            float effectivePadding = styleValues.BorderWidthLeft/2 + styleValues.HorBorderSpacing;
            float x1 = position.Left + effectivePadding;
            if (styleValues.IsLastInRow){
                effectivePadding = styleValues.BorderWidthRight/2 + styleValues.HorBorderSpacing;
            } else {
                effectivePadding = styleValues.BorderWidthRight/2;
            }
            float x2 = position.Right - effectivePadding;
            effectivePadding = styleValues.BorderWidthTop/2 + styleValues.VerBorderSpacing;
            float y1 = position.Top - effectivePadding;
            effectivePadding = styleValues.BorderWidthBottom/2;
            float y2 = position.Bottom + effectivePadding;
            PdfContentByte cb = canvases[PdfPTable.LINECANVAS];
            BaseColor color = styleValues.Background;
            if (color != null) {
                cb.SetColorStroke(color);
                cb.SetColorFill(color);
                cb.Rectangle(x1, y1, x2-x1, y2-y1);
                cb.Fill();
            }
            BaseColor borderColor = styleValues.BorderColorLeft;
            float width = styleValues.BorderWidthLeft;
            if (borderColor != null && width != 0) {
                cb.SetLineWidth(width);
                cb.SetColorStroke(borderColor);
                cb.MoveTo(x1, y1); // start leftUpperCorner
                cb.LineTo(x1, y2); // left
                cb.Stroke();
            }
            borderColor = styleValues.BorderColorBottom;
            width = styleValues.BorderWidthBottom;
            if (borderColor != null && width != 0) {
                cb.SetLineWidth(width);
                cb.SetColorStroke(borderColor);
                cb.MoveTo(x1, y2); // left
                cb.LineTo(x2, y2); // bottom
                cb.Stroke();
            }
            borderColor = styleValues.BorderColorRight;
            width = styleValues.BorderWidthRight;
            if (borderColor != null && width != 0) {
                cb.SetLineWidth(width);
                cb.SetColorStroke(borderColor);
                cb.MoveTo(x2, y2); // bottom
                cb.LineTo(x2, y1); // right
                cb.Stroke();
            }
            borderColor = styleValues.BorderColorTop;
            width = styleValues.BorderWidthTop;
            if (borderColor != null && width != 0) {
                cb.SetLineWidth(width);
                cb.SetColorStroke(borderColor);
                cb.MoveTo(x2, y1); // right
                cb.LineTo(x1, y1); // top
                cb.Stroke();
            }
            cb.ResetRGBColorStroke();
        }
    }
}
